Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society
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Editorial Comment
Model for end-stage liver disease exceptions: proceed with caution.
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The aim of this study was to evaluate the effects of portal hemodynamics on indices of liver function and graft regeneration in patients after adult right lobe living donor liver transplantation (R-LDLT). Sixty-four patients who underwent R-LDLT and had an uneventful postoperative course were enrolled in this study. The contribution of portal flow was greater to the recipient grafts versus the donor livers (90.74% versus 69.12%, P < 0.0001). ⋯ Immediately after R-LDLT, the peak values for aspartate aminotransferase, alanine aminotransferase, the international normalized ratio and the average ascites production varied appreciably in these groups. The regeneration rate of the liver graft 3 months after R-LDLT was significantly greater in group A versus the other groups. In conclusion, PVP is a significant hemodynamic factor that influences the functional status of the liver and graft regeneration after R-LDLT.
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Letter Case Reports
Energy drinks: another red flag for the liver allograft.
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Hindlimb remote ischemic preconditioning (RIPC) reduces liver ischemia/reperfusion (IR) injury in wild-type mice. The underlying mechanisms of RIPC are currently unknown. In this study, we investigated the role of endothelial nitric oxide synthase (eNOS) in mediating the protective effects of RIPC. ⋯ Hepatic MBF did not recover during liver reperfusion in the RIPC+IR group versus the IR group. eNOS protein expression was similar among all wild-type groups. In conclusion, eNOS is essential for the protective effects of hindlimb RIPC on liver IR injury. eNOS exerts its protective effects through the preservation of hepatic MBF. At 2 hours of reperfusion, eNOS protection is likely due to the increased activation of eNOS rather than increased expression.
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Although the use of donation after cardiac death (DCD) donor organs has been shown to be a viable option for liver and kidney transplant recipients, outcomes after simultaneous liver and kidney (SLK) transplantation using DCD donors are less clear. We performed a retrospective analysis of 37 adult, primary SLK transplants performed at our center between January 1, 1998 and December 31, 2008. Thirty-two patients received donation after brain death (DBD) organs, and 5 patients received DCD organs. ⋯ The 1-year graft survival rates for liver allografts (100% for the DCD group versus 94% for the DBD group) and kidney allografts (100% for the DCD group versus 94% for the DBD group) were similar. In conclusion, patients undergoing DCD SLK transplantation have comparable 1-year patient and graft survival rates and acceptable perioperative morbidity in comparison with DBD SLK transplant recipients. Although long-term outcomes remain unknown, the utilization of DCD organs for SLK transplantation should be considered a valid approach to safely expanding the donor organ pool.